parserlib

Index

Classes

ParseError

Interfaces

Type aliases

NonterminalEnum

Variables

VERSION

Functions

Type aliases

NonterminalEnum

NonterminalEnum: {}

Type of the runtime object for an enumeration.

Type declaration

[enumSymbol: string]: string | number

Variables

VERSION

VERSION: "3.2.1" = "3.2.1"

Functions

compile

compile<UserNT>(grammar: string, nonterminals: NonterminalEnum, rootNonterminal: UserNT): Parser<UserNT>

Compile a Parser from a grammar represented as a string.

throws
ParseError if the grammar has a syntax error

Type parameters
- UserNT
Parameters
- grammar: string
  
  the grammar to use
- nonterminals: NonterminalEnum
  
  the runtime object of the nonterminals enum. For example, if enum Nonterminals { root, a, b, c }; then Nonterminals must be explicitly passed as this runtime parameter compile(grammar, Nonterminals, Nonterminals.root); (in addition to being implicitly used for the type parameter NT)
- rootNonterminal: UserNT
  
  the desired root nonterminal in the grammar
Returns Parser<UserNT>
a parser for the given grammar that will start parsing at rootNonterminal.

visualizeAsHtml

visualizeAsHtml<NT>(parseTree: ParseTree<NT>, nonterminals: NonterminalEnum): string

Visualizes a parse tree as a string of HTML that can be displayed in a web browser.

Type parameters
- NT
  
  the enumeration of symbols in the parse tree's grammar
Parameters
- parseTree: ParseTree<NT>
  
  tree to visualize
- nonterminals: NonterminalEnum
Returns string
string of HTML that shows a visualization of the parse tree

visualizeAsUrl

visualizeAsUrl<NT>(parseTree: ParseTree<NT>, nonterminals: NonterminalEnum): string

Visualizes a parse tree using a URL that can be pasted into your web browser.

Type parameters
- NT
  
  the enumeration of symbols in the parse tree's grammar
Parameters
- parseTree: ParseTree<NT>
  
  tree to visualize
- nonterminals: NonterminalEnum
Returns string
url that shows a visualization of the parse tree

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